Home / 70,906.28-106,259.18-39,330.25

Finding the Fourth Proportional to 70,906.28, 106,259.18 and 39,330.25

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Solution

The fourth proportional to 70,906.28, 106,259.18 and 39,330.25 is: 58,939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,906.28 : 106,259.18 = 39,330.25 : x
  2. Step 2: Convert to fraction form
    70,906.28/106,259.18 = 39,330.25/x
  3. Step 3: Cross multiply
    70,906.28x = 106,259.18 × 39,330.25
  4. Step 4: Simplify right side
    70,906.28x = 4,179,199,651.90
  5. Step 5: Solve for x
    x = 4,179,199,651.90/70,906.28
  6. Step 6: Final answer
    x = 58,939.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.